diff options
| author | Punit Agrawal <punit.agrawal@arm.com> | 2014-07-29 12:50:48 +0200 |
|---|---|---|
| committer | Eduardo Valentin <edubezval@gmail.com> | 2014-07-29 15:27:54 +0200 |
| commit | 100a8fdbf525bb11796692a713c267be6523a890 (patch) | |
| tree | 022fba36cc4c2ddc321ca7f069c987e491877f61 /include | |
| parent | Merge branches 'exynos-fix', 'for-rc', 'int3403-fix', 'misc', 'rcar-thermal' ... (diff) | |
| download | linux-100a8fdbf525bb11796692a713c267be6523a890.tar.xz linux-100a8fdbf525bb11796692a713c267be6523a890.zip | |
thermal: trace: Trace temperature changes
Create a new event to trace the temperature of a thermal zone. Using
this event trace the temperature changes of the thermal zone every-time
it is updated.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/trace/events/thermal.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h new file mode 100644 index 000000000000..8c5ca96eccd6 --- /dev/null +++ b/include/trace/events/thermal.h @@ -0,0 +1,38 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM thermal + +#if !defined(_TRACE_THERMAL_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_THERMAL_H + +#include <linux/thermal.h> +#include <linux/tracepoint.h> + +TRACE_EVENT(thermal_temperature, + + TP_PROTO(struct thermal_zone_device *tz), + + TP_ARGS(tz), + + TP_STRUCT__entry( + __string(thermal_zone, tz->type) + __field(int, id) + __field(int, temp_prev) + __field(int, temp) + ), + + TP_fast_assign( + __assign_str(thermal_zone, tz->type); + __entry->id = tz->id; + __entry->temp_prev = tz->last_temperature; + __entry->temp = tz->temperature; + ), + + TP_printk("thermal_zone=%s id=%d temp_prev=%d temp=%d", + __get_str(thermal_zone), __entry->id, __entry->temp_prev, + __entry->temp) +); + +#endif /* _TRACE_THERMAL_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |